Newcastle, WA Weather


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The most pleasant months of the year for Newcastle are August, July and September. In Newcastle, there are 3 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Newcastle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. December is the snowiest month in Newcastle with 2.0 inches of snow, and 4 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Newcastle, WA

6 PM PST

Chance Rain Showers then Light Rain

56°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightChance Rain Showers then Light Rain49° / 54°SSW 8 mph
Thursday NightLight Rain then Rain Showers49° / 57°SSE 8 mph
Friday NightRain Showers Likely48° / 58°SSW 6 to 12 mph
Saturday NightLight Rain Likely49° / 57°SSW 10 mph
Sunday NightRain Showers44° / 56°SSW 10 to 15 mph
Monday NightChance Rain Showers then Slight Chance Light Rain42° / 58°S 7 to 14 mph
Tuesday NightChance Rain Showers44° / 61°S 6 to 10 mph

Weather Highlights

Summer High: the July high is around 76 degrees
Winter Low: the January low is 36
Rain: averages 46 inches of rain a year
Snow: averages 6 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Newcastle area is 9.3 (10=best), which means it is more comfortable than most places in Washington.

9.3 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January47° 36°
February50° 36°
March54° 39°
April59° 42°
May65° 47°
June70° 52°
July76° 55°
August76° 55°
September70° 51°
October60° 44°
November51° 39°
December45° 35°
Hot, Freezing, Rainy, Snowy Days: Newcastle
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January08191
February07151
March04180
April01150
May00130
June00100
July1060
August1050
September0080
October01140
November04190
December010181

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Newcastle
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Over 18 years ago

I've lived all over the world. Few other places I've lived in that have 4 distinct seasons and sports to fit all those seasons. You can ski in the winter, hike in the  More

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